Home / 56,434.41-84,577.34-31,486.21

Finding the Fourth Proportional to 56,434.41, 84,577.34 and 31,486.21

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Solution

The fourth proportional to 56,434.41, 84,577.34 and 31,486.21 is: 47,187.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,434.41 : 84,577.34 = 31,486.21 : x
  2. Step 2: Convert to fraction form
    56,434.41/84,577.34 = 31,486.21/x
  3. Step 3: Cross multiply
    56,434.41x = 84,577.34 × 31,486.21
  4. Step 4: Simplify right side
    56,434.41x = 2,663,019,888.48
  5. Step 5: Solve for x
    x = 2,663,019,888.48/56,434.41
  6. Step 6: Final answer
    x = 47,187.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.